Also called: Post-processing
Sanding and finishing smooths away layer lines, seams, and support marks. It can range from a quick cleanup to a mirror-smooth finish, and it's usually the first step before painting.
Good for
- Display pieces and props
- Prototypes for presentations
- Parts to be painted
- Removing support marks
How it works
- Supports and marks are removed.
- The part is sanded in stages, often with filler primer to fill layer lines.
- The part is left smooth and ready for use or painting.
Pros and cons
Pros
- Professional, polished look
- Better paint results
Cons
- Labour-intensive, so it adds cost
- Fine details can soften if over-sanded
Questions to ask the shop
- What level of finish do you offer (basic cleanup vs smooth)?
- Is priming included?
Common materials
PLA · ABS · ASA · Standard resin
Common questions
Do all prints need sanding? No. Many functional parts are fine as printed. Sanding is mainly for looks.
Related services
Priming and painting · Vapour smoothing · Assembly
Find sanding and finishing near you
Find shops offering sanding and finishing near you, or upload your file for a quote.